Reading...
Play button
Play button
Use LEFT and RIGHT arrow keys to navigate between flashcards;
Use UP and DOWN arrow keys to flip the card;
H to show hint;
A reads text to speech;
10 Cards in this Set
- Front
- Back
|
Circle
|
A shape with all points the same distance from its center
|
|
|
Radius
|
The distance from the center of a circle to its edge
|
|
|
Tangent
|
A line that touches a circle at only one point. The radius at that point of intersection is perpendicular to it.
|
|
|
Secant
|
A line that passes through two points on a circle
|
|
|
Chord
|
A line segment that connects two points on a circle
|
|
|
Arc
|
The portion of a circle between two points on the circle
|
|
|
Diameter
|
A chord of a circle that passes through the center. Its length is equal to twice the length of the radius
|
|
|
Circumference
|
The distance around a circle. Twice the radius times pi
|
|
|
Pi
|
The ratio of a circle's circumference to its diameter. It is approximately 3.14
|
|
|
Area of a Circle
|
The square of the radius times pi
|
